MP1925 – 100V, 4A, HIGH-FREQUENCY, HALF-BRIDGE GATE DRIVER

MP1925 Rev. 1.01

MonolithicPower.com

4

7/28/2020

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© 2020 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

VDD = VBST - VSW = 12V, VSS = VSW = 0V, no load at DRVH and DRVL, TJ = -40°C to +125°C, typical

value is tested at TJ = 25°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max

Units

Supply Currents

VDD quiescent current

IDDQ

INL = INH = 0

110

150

µA

VDD operating current

IDDO

fSW = 500kHz

9

mA

Floating driver quiescent current

IBSTQ

INL = INH = 0

60

90

µA

Floating driver operating current

IBSTO

fSW = 500kHz

8

mA

Leakage current

ILK

BST = SW = 100V

0.05

1

µA

Inputs

INL/INH high

2

2.4

V

INL/INH low

1

1.4

V

INL/INH internal pull-down

resistance

RIN

185

kΩ

Under-Voltage Protection

VDD rising threshold

VDDR

6

6.8

7.2

V

VDD hysteresis

VDDH

0.4

V

BST-SW rising threshold

VBSTR

5.8

6.5

6.9

V

BST-SW hysteresis

VBSTH

0.4

V

Bootstrap Diode

Bootstrap diode VF at 100μA

VF1

0.5

V

Bootstrap diode VF at 100mA

VF2

0.95

V

Bootstrap diode dynamic R

RD

At 100mA

2.5

Ω

Low-Side Gate Driver

Low-level output voltage

VOLL

IO = 100mA

0.1

V

High-level output voltage to rail

VOHL

IO = -100mA

0.19

V

Source current (6)

IOHL

VDRVL = 0V, VDD = 12V

3

A

VDRVL = 0V, VDD = 16V

4.7

A

Sink current (6)

IOLL

VDRVL = VDD = 12V

4.5

A

VDRVL = VDD = 16V

6

A

Floating Gate Driver

Low-level output voltage

VOLH

IO = 100mA

0.1

V

High-level output voltage to rail

VOHH

IO = -100mA

0.19

V

Source current (6)

IOHH

VDRVH = 0V, VDD = 12V

2.6

A

VDRVH = 0V, VDD = 16V

4

A

Sink current (6)

IOLH

VDRVH = VDD = 12V

4.5

A

VDRVH = VDD = 16V

5.9

A